ocamlc myclasses.ml
ocamlc -I +lablGL lablgl.cma lablglut.cma str.cma unix.cma myclasses.cmo test.ml;
ocamlc -I +lablGL lablgl.cma lablglut.cma str.cma unix.cma myclasses.cmo test.cmo run_test.ml -o run_test;
./run_test;
